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Top Forums Shell Programming and Scripting filter out all the records which are having space in the 8th filed of my file Post 302328726 by mphanikumars on Thursday 25th of June 2009 05:38:17 AM
Old 06-25-2009
MySQL Hi, It shouold help

#create a file something like 8thfield.txt with below mater
C;4498;qwa;cghy;;;;40;;222122
C;4498;sample;city;;;;34 2;;222123
C;4498;qwe;xcbv;;;;34-2;;222124
C;4498;jj;sffz;;;;41;;222120
C;4498;eert;qwq;;;;34 A;;222125
C;4498;jj;szxzzd;;;;34;;222127

#execute this command to separate the lines which contains 8th field as space or hypen
awk -F";" '{print $8}' 8thfield.txt | egrep " |\-" | xargs -i egrep "{}" 8thfield.txt > file1.txt

#execute this command to ignore the lines which contains 8th field as space or hypen
grep -v "`cat file1.txt`" 8thfield.txt

cat file1.txt
C;4498;sample;city;;;;34 2;;222123
C;4498;qwe;xcbv;;;;34-2;;222124
C;4498;eert;qwq;;;;34 A;;222125

cat file2.txt
C;4498;qwa;cghy;;;;40;;222122
C;4498;jj;sffz;;;;41;;222120
C;4498;jj;szxzzd;;;;34;;222127

Thanks,
Phani Kumar
 

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cat(1)							      General Commands Manual							    cat(1)

Name
       cat - concatenate and print data

Syntax
       cat [ -b ] [ -e ] [ -n ] [ -s ] [ -t ] [ -u ] [ -v ] file...

Description
       The  command reads each file in sequence and displays it on the standard output.  Therefore, to display the file on the standard output you
       type:
       cat file
       To concatenate two files and place the result on the third you type:
       cat file1 file2 > file3
       To concatenate two files and append them to a third you type:
       cat file1 file2 >> file3
       If no input file is given, or if a minus sign (-) is encountered as an argument, reads from the standard input file.  Output is buffered in
       1024-byte blocks unless the standard output is a terminal, in which case it is line buffered.  The utility supports the processing of 8-bit
       characters.

Options
       -b   Ignores blank lines and precedes each output line with its line number.

       -e   Displays a dollar sign ($) at the end of each output line.

       -n   Precedes all output lines (including blank lines) with line numbers.

       -s   Squeezes adjacent blank lines from output and single spaces output.

       -t   Displays non-printing characters (including tabs) in output.  In addition to those representations used with the -v  option,  all  tab
	    characters are displayed as ^I.

       -u   Unbuffers output.

       -v   Displays  non-printing  characters (excluding tabs and newline) as the ^x.	If the character is in the range octal 0177 to octal 0241,
	    it is displayed as M-x. The delete character (octal 0177) displays as ^?.  For example, is displayed as ^X.

See Also
       cp(1), ex(1), more(1), pr(1), tail(1)

																	    cat(1)
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